package com.ruoyi.web.controller.app.util;


import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 字符串工具类
 *
 *
 */
public class ZkUtils extends org.apache.commons.lang3.StringUtils
{
    /** 空字符串 */
    private static final String NULLSTR = "";

    /** 下划线 */
    private static final char SEPARATOR = '_';

    public static Integer bl=0;

    /**
     * 获取参数不为空值
     *
     * @param value defaultValue 要判断的value
     * @return value 返回值
     */
    public static <T> T nvl(T value, T defaultValue)
    {
        return value != null ? value : defaultValue;
    }

    /**
     * * 判断一个Collection是否为空， 包含List，Set，Queue
     *
     * @param coll 要判断的Collection
     * @return true：为空 false：非空
     */
    public static boolean isEmpty(Collection<?> coll)
    {
        return isNull(coll) || coll.isEmpty();
    }

    /**
     * * 判断一个Collection是否非空，包含List，Set，Queue
     *
     * @param coll 要判断的Collection
     * @return true：非空 false：空
     */
    public static boolean isNotEmpty(Collection<?> coll)
    {
        return !isEmpty(coll);
    }

    /**
     * * 判断一个对象数组是否为空
     *
     * @param objects 要判断的对象数组
     ** @return true：为空 false：非空
     */
    public static boolean isEmpty(Object[] objects)
    {
        return isNull(objects) || (objects.length == 0);
    }

    /**
     * * 判断一个对象数组是否非空
     *
     * @param objects 要判断的对象数组
     * @return true：非空 false：空
     */
    public static boolean isNotEmpty(Object[] objects)
    {
        return !isEmpty(objects);
    }

    /**
     * * 判断一个Map是否为空
     *
     * @param map 要判断的Map
     * @return true：为空 false：非空
     */
    public static boolean isEmpty(Map<?, ?> map)
    {
        return isNull(map) || map.isEmpty();
    }

    /**
     * * 判断一个Map是否为空
     *
     * @param map 要判断的Map
     * @return true：非空 false：空
     */
    public static boolean isNotEmpty(Map<?, ?> map)
    {
        return !isEmpty(map);
    }

    /**
     * * 判断一个字符串是否为空串
     *
     * @param str String
     * @return true：为空 false：非空
     */
    public static boolean isEmpty(String str)
    {
        return isNull(str) || NULLSTR.equals(str.trim());
    }

    /**
     * * 判断一个字符串是否为非空串
     *
     * @param str String
     * @return true：非空串 false：空串
     */
    public static boolean isNotEmpty(String str)
    {
        return !isEmpty(str);
    }

    /**
     * * 判断一个对象是否为空
     *
     * @param object Object
     * @return true：为空 false：非空
     */
    public static boolean isNull(Object object)
    {
        return object == null;
    }

    /**
     * * 判断一个对象是否非空
     *
     * @param object Object
     * @return true：非空 false：空
     */
    public static boolean isNotNull(Object object)
    {
        return !isNull(object);
    }

    /**
     * * 判断一个对象是否是数组类型（Java基本型别的数组）
     *
     * @param object 对象
     * @return true：是数组 false：不是数组
     */
    public static boolean isArray(Object object)
    {
        return isNotNull(object) && object.getClass().isArray();
    }

    /**
     * 去空格
     */
    public static String trim(String str)
    {
        return (str == null ? "" : str.trim());
    }

    /**
     * 截取字符串
     *
     * @param str 字符串
     * @param start 开始
     * @return 结果
     */
    public static String substring(final String str, int start)
    {
        if (str == null)
        {
            return NULLSTR;
        }

        if (start < 0)
        {
            start = str.length() + start;
        }

        if (start < 0)
        {
            start = 0;
        }
        if (start > str.length())
        {
            return NULLSTR;
        }

        return str.substring(start);
    }

    /**
     * 截取字符串
     *
     * @param str 字符串
     * @param start 开始
     * @param end 结束
     * @return 结果
     */
    public static String substring(final String str, int start, int end)
    {
        if (str == null)
        {
            return NULLSTR;
        }

        if (end < 0)
        {
            end = str.length() + end;
        }
        if (start < 0)
        {
            start = str.length() + start;
        }

        if (end > str.length())
        {
            end = str.length();
        }

        if (start > end)
        {
            return NULLSTR;
        }

        if (start < 0)
        {
            start = 0;
        }
        if (end < 0)
        {
            end = 0;
        }

        return str.substring(start, end);
    }



    /**
     * 下划线转驼峰命名
     */
    public static String toUnderScoreCase(String str)
    {
        if (str == null)
        {
            return null;
        }
        StringBuilder sb = new StringBuilder();
        // 前置字符是否大写
        boolean preCharIsUpperCase = true;
        // 当前字符是否大写
        boolean curreCharIsUpperCase = true;
        // 下一字符是否大写
        boolean nexteCharIsUpperCase = true;
        for (int i = 0; i < str.length(); i++)
        {
            char c = str.charAt(i);
            if (i > 0)
            {
                preCharIsUpperCase = Character.isUpperCase(str.charAt(i - 1));
            }
            else
            {
                preCharIsUpperCase = false;
            }

            curreCharIsUpperCase = Character.isUpperCase(c);

            if (i < (str.length() - 1))
            {
                nexteCharIsUpperCase = Character.isUpperCase(str.charAt(i + 1));
            }

            if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase)
            {
                sb.append(SEPARATOR);
            }
            else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase)
            {
                sb.append(SEPARATOR);
            }
            sb.append(Character.toLowerCase(c));
        }

        return sb.toString();
    }

    /**
     * 是否包含字符串
     *
     * @param str 验证字符串
     * @param strs 字符串组
     * @return 包含返回true
     */
    public static boolean inStringIgnoreCase(String str, String... strs)
    {
        if (str != null && strs != null)
        {
            for (String s : strs)
            {
                if (str.equalsIgnoreCase(trim(s)))
                {
                    return true;
                }
            }
        }
        return false;
    }

    public static String getUUIDWF()
    {
        String uuid= UUID.randomUUID().toString();
        char[] cs=new char[32];
        char c=0;
        for(int i=uuid.length()/2,j=1;i-->0;){
            if((c=uuid.charAt(i))!='-'){
                cs[j++]=c;
            }
        }
        String uid=String.valueOf(cs);
        return uid;
    }


    /**
     * 将下划线大写方式命名的字符串转换为驼峰式。如果转换前的下划线大写方式命名的字符串为空，则返回空字符串。 例如：HELLO_WORLD->HelloWorld
     *
     * @param name 转换前的下划线大写方式命名的字符串
     * @return 转换后的驼峰式命名的字符串
     */
    public static String convertToCamelCase(String name)
    {
        StringBuilder result = new StringBuilder();
        // 快速检查
        if (name == null || name.isEmpty())
        {
            // 没必要转换
            return "";
        }
        else if (!name.contains("_"))
        {
            // 不含下划线，仅将首字母大写
            return name.substring(0, 1).toUpperCase() + name.substring(1);
        }
        // 用下划线将原始字符串分割
        String[] camels = name.split("_");
        for (String camel : camels)
        {
            // 跳过原始字符串中开头、结尾的下换线或双重下划线
            if (camel.isEmpty())
            {
                continue;
            }
            // 首字母大写
            result.append(camel.substring(0, 1).toUpperCase());
            result.append(camel.substring(1).toLowerCase());
        }
        return result.toString();
    }

    //生成UUID
    public static String getUUID() {
        UUID uuid = UUID.randomUUID();
        String str = uuid.toString();
        String uuidStr = str.replace("-", "");
        return uuidStr;
    }

    //根据企业ID,年月日，二位顺序号拼接ID
    public static String getID(String entId,int size){
        String id="";
        String timeStr=getTimeStr();
        if(size>=10){
            id=entId+timeStr+size;
        }else{
            id=entId+timeStr+"0"+size;
        }
       return id;
    }

    //根据类别，企业ID,年月日，四位顺序号拼接ID
    public static String getID(int type,String entId,int size){
        String id="";
        String timeStr=getTimeStr();
        if(size>=1000){
            id=type+entId+timeStr+size;
        }else if(size>=100&&size<1000){
            id=type+entId+timeStr+"0"+size;
        }else if(size>=10&&size<100){
            id=type+entId+timeStr+"00"+size;
        }else{
            id=type+entId+timeStr+"000"+size;
        }
        return id;
    }

    //根据前缀，企业ID,年月日，四位顺序号拼接ID
    public static String getID(String type,String entId,int size){
        String id="";
        String timeStr=getTimeStr();
        if(size>=1000){
            id=type+entId+timeStr+size;
        }else if(size>=100&&size<1000){
            id=type+entId+timeStr+"0"+size;
        }else if(size>=10&&size<100){
            id=type+entId+timeStr+"00"+size;
        }else{
            id=type+entId+timeStr+"000"+size;
        }
        return id;
    }

    //获取当天时间拼接成的年月日字符串，例如20190101
    public static String getTimeStr(){
        Calendar now = Calendar.getInstance();
        String month="";
        String year="";
        String day="";
        year=now.get(Calendar.YEAR)+"";
        if((now.get(Calendar.MONTH) + 1)<10){
            month= "0"+(now.get(Calendar.MONTH) + 1);
        }else{
            month=  ""+(now.get(Calendar.MONTH) + 1);
        }
        if(now.get(Calendar.DAY_OF_MONTH)<10){
            day= "0"+now.get(Calendar.DAY_OF_MONTH);
        }else{
            day=  ""+now.get(Calendar.DAY_OF_MONTH);
        }
     return year+month+day;
    }

    //获取当前时间字符串
    public static String getDateStr(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getYY(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yy");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getMM(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("MM");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getDD(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("dd");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getHH(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("HH");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getMin(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("mm");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getSS(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("ss");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getDateStrBefore(){
        Calendar beforeTime = Calendar.getInstance();
        beforeTime.add(Calendar.MINUTE, -30);// 5分钟之前的时间
        Date beforeD = beforeTime.getTime();
        String dateNowStr = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(beforeD);
        return dateNowStr;
    }




    //获取当前时间字符串
    public static String getDateStrType(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    //获取当前时间字符串
    public static String getDateStrTypeNew(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getDateStrr(Date d){
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }

    public static String getM(){
        Date d = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
        String dateNowStr = sdf.format(d);
        return dateNowStr;
    }


    public static InputStream httpRequestToStream(String url, String requestMethod) {
        InputStream is = null;
        try {
            URL u = new URL(url);
            HttpURLConnection conn = (HttpURLConnection) u.openConnection();
            conn.setRequestProperty("Content-Type", "application/octet-stream");
            conn.setRequestProperty("charset", "utf-8");
            conn.setRequestMethod(requestMethod);
            is = conn.getInputStream();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return is;
    }

   //获取过去第几天的日期
    public static String getPastDate(int past,Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) - past);
        Date today = calendar.getTime();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        String result = sdf.format(today);
        return result;
    }


    public static Date getNowDate(String time) throws Exception{
        SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd");
        Date date = sdf.parse(time);
        return date;
    }

    /*
     * 将时间字符串转换为时间戳
     */
    public static String dateToStamp(String s) throws Exception{
        String res;
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = simpleDateFormat.parse(s);
        long ts = date.getTime()/1000;
        res = String.valueOf(ts);
        return res;
    }
    /*
     * 将时间戳转换为时间
     */
    public static String stampToDate(String s){
        String res;
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        long lt = new Long(s);
        Date date = new Date(lt*1000);
        res = simpleDateFormat.format(date);
        return res;
    }

    /*
     * 获得当前时间戳
     */
    public static String getnowstamp(){
        long timeStampSec = System.currentTimeMillis()/1000;
        String timestamp = String.format("%010d", timeStampSec);
        return timestamp;
    }


    //生成随机码
    public static String getRandomStr() {
        int first = new Random(10).nextInt(8) + 1;
        int hashCodeV = UUID.randomUUID().toString().hashCode();
        if (hashCodeV < 0) {//有可能是负数
            hashCodeV = -hashCodeV;
        }
        return first + String.format("%015d", hashCodeV);
    }

    /**
     * 获取指定长度随机字符串
     *
     * @param length
     * @return
     */
    public static String getRandomString(int length) {
        Random random = new Random();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < length; i++) {
            int number = random.nextInt(3);
            long result = 0;
            switch (number) {
                case 0:
                    result = Math.round(Math.random() * 25 + 65);
                    sb.append(String.valueOf((char) result));
                    break;
                case 1:
                    result = Math.round(Math.random() * 25 + 97);
                    sb.append(String.valueOf((char) result));
                    break;
                case 2:
                    sb.append(String.valueOf(new Random().nextInt(10)));
                    break;
            }
        }
        return sb.toString();
    }


}
